Stainless Steel Needle Valves

High Pressure Stainless Steel Needle Valve

Short Description:

Product Name: 304/316/316L Needle Valve
Valve Category: Needle Valve
Brand: Yiluoke
Technical Data: 1/4"-3" Stainless Steel
Made In: China
Supplier: Xiamen Yiluoke Import and Export Trading Co., Ltd

Product Detail

Definition of Stainless Steel Needle Valve

Stainless steel needle valves can withstand higher pressure and have excellent sealing performance compared to other types of valves. Therefore, they are generally used for sealing gaseous or liquid media with small flow rates and high pressures. Stainless steel needle valves are ideally suited for use with pressure gauges, and most of them are designed with threaded connections.

Stainless Steel Needle Valve

Application Specifications

Item	Details
Design and Manufacturing Standard	ANSI B16.34-1996
Connection Type	Female NPT thread connection; SW socket weld connection
Structural Feature	Conical surface sealing; lift plug type
Valve Inspection and Test Standard	API STD 598-1996
Material Standard	Carbon steel: ASTM A105-1991 Stainless steel: ASTM A276-1992

Scope of Application

Needle valves are widely applied in urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, environmental protection and other industries.

Structural Schematic Diagram

Dimension of Stainless Steel Needle Valve

Needle Valve

Performance Specifications (Unit: MPa)

Test Item	Pressure Value
Nominal Pressure	PN
Shell Test	1.5PN
Sealing Test	1.1PN
Pneumatic Test	0.6PN
Applicable Temperature	≤180℃
Suitable Media	Water, steam, oil products, etc.

Material of Main Components

Model	Valve Body	Connector	Valve Stem	Nut	Packing
SS-5PDF8	20#	20#	2Cr13	20#	PTFE
SS304	SS304	SS304	SS304	PTFE
SS304	SS304	SS316	SS304	PTFE

Main Overall Dimensions

Size	L	NPT	H	D0	Weight (kg)
DN6	57	1/4	82	57	0.4
DN10	57	3/8	82	57	0.4
DN15	68	1/2	90	63	0.55
DN20	80	3/4	110	70	1.0
DN25	90	1"	130	89	1.6

Technical Parameters of Stainless Steel Needle Valve

Item	Specification
Nominal Diameter	DN06 - DN25
Sealing Material	Polytetrafluoroethylene (PTFE)
Valve Body Material	Stainless Steel 304, 316, 316L
Handle Material	Stainless Steel 304, 316, 316L
Connection Type	Threaded Connection (NPT, G, Rc, Rp, etc.)
Medium Temperature	PTFE: -20~180°C
Pressure Class	PN200 - PN400